My friend, he is also a victim and he is so much addicted to it he is not on the point to returning to normal. Yes he needs you too and that is why he looks caring. But you are unhappy. But it is your personal domain and only your decisions matter and we are just well wishing friends and we never can give the final solution. Anyway you have to take a decision. Either you must be able to change him or take a different step. Do not ruin yourself